Dimori Zarr, the Forger

+3: Create a 7/7 green dragon creature token with flying and trample, target opponent sacrifices a permanent.
-2: Destroy target permanent, create a X/X dragon creature token with flying and trample, where X is the permanents converted mana cost.
-12: Exile each nonland permanent you don't control you qain life equal to the exiled permanents converted mana cost doubled.